49ers' comeback falls short

February 4, 2013 12:17 AM

Photo: Smiley N. Pool/Chronicle

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Quarterback Colin Kaepernick (7) in the second half during the lights out that happened in the third quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Quarterback Colin Kaepernick (7) in the second half during the lights out that happened in the third quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz ... more

Photo: Carlos Avila Gonzalez, The Chronicle

Quarterback Colin Kaepernick (7) in the second half during the... Photo-4134163.56215 - seattlepi.com

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Football is America

Media: San Francisco Chronicle

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San Francisco 49ers wide receiver Michael Crabtree (15) has a pass go off his hands in the end zone on a final fourth down attempt during the fourth quarter of Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. The 49ers turned the ball over on downs as the Baltimore Ravens won the game 34-31. less

San Francisco 49ers wide receiver Michael Crabtree (15) has a pass go off his hands in the end zone on a final fourth down attempt during the fourth quarter of Super Bowl XLVII at the Mercedes-Benz Superdome on ... more

49ers coach Jim Harbaugh yelled at officials for a holding call on the missed catch by Michael Crabtree in the endzone in the fourth quarter. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013. less

49ers coach Jim Harbaugh yelled at officials for a holding call on the missed catch by Michael Crabtree in the endzone in the fourth quarter. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl ... more

San Francisco 49ers defensive back Perrish Cox kneels on the field following the Baltimore Ravens 34-31 victory in Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans.

San Francisco 49ers defensive back Perrish Cox kneels on the field following the Baltimore Ravens 34-31 victory in Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans.

Baltimore Ravens defensive back Chykie Brown celebrates following the Ravens 34-31 victory over the San Francisco 49ers in Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

Baltimore Ravens defensive back Chykie Brown celebrates following the Ravens 34-31 victory over the San Francisco 49ers in Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New ... more

John Harbaugh, head coach of the Baltimore Ravens, holds the Lombardi Trophy after the Ravens defeated the 49ers 34-31 to win the Super Bowl. The San Francisco 49ers played the Baltimore Ravens in Super Bowl XLVII, on Sunday, February 3, 2013, in New Orleans, La. less

John Harbaugh, head coach of the Baltimore Ravens, holds the Lombardi Trophy after the Ravens defeated the 49ers 34-31 to win the Super Bowl. The San Francisco 49ers played the Baltimore Ravens in Super Bowl ... more

Photo: Carlos Avila Gonzalez, The Chronicle

John Harbaugh, head coach of the Baltimore Ravens, holds the... Photo-4134971.56215 - seattlepi.com

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San Francisco 49ers running back Frank Gore (21) gets blocks from tight end Delanie Walker (46) and wide receiver Randy Moss (84) on a 6-yard touchdown run during the third quarter of Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

San Francisco 49ers running back Frank Gore (21) gets blocks from tight end Delanie Walker (46) and wide receiver Randy Moss (84) on a 6-yard touchdown run during the third quarter of Super Bowl XLVII against ... more

Perrish Cox watches from the sideline as the Ravens celebrate after winning the Super Bowl after defeating the 49ers 34-31. The San Francisco 49ers played the Baltimore Ravens in Super Bowl XLVII, on Sunday, February 3, 2013, in New Orleans, La. less

Perrish Cox watches from the sideline as the Ravens celebrate after winning the Super Bowl after defeating the 49ers 34-31. The San Francisco 49ers played the Baltimore Ravens in Super Bowl XLVII, on Sunday, ... more

San Francisco 49ers head coach Jim Harbaugh, top right, waits with his team during a delay due to a power outage during the third quarter of Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

San Francisco 49ers head coach Jim Harbaugh, top right, waits with his team during a delay due to a power outage during the third quarter of Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz ... more

Baltimore Ravens running back Ray Rice (27) during the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Baltimore Ravens running back Ray Rice (27) during the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New ... more

San Francisco 49ers Running back Frank Gore (21) runs in for a touchdown in the third quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

San Francisco 49ers Running back Frank Gore (21) runs in for a touchdown in the third quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday ... more

Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La.

Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La.

Photo: Carlos Avila Gonzalez, The Chronicle

Superbowl XLVII between the San Francisco 49ers and the Baltimore... Photo-4134945.56215 - seattlepi.com

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Quarterback Alex Smith (11) on the sidelines during the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Quarterback Alex Smith (11) on the sidelines during the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New ... more

Photo: Carlos Avila Gonzalez, The Chronicle

Quarterback Alex Smith (11) on the sidelines during the first half... Photo-4134943.56215 - seattlepi.com

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Running back Frank Gore (21) in the first quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La.

Running back Frank Gore (21) in the first quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La.

Photo: Brant Ward, The Chronicle

Running back Frank Gore (21) in the first quarter of Superbowl... Photo-4134938.56215 - seattlepi.com

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Quarterback Colin Kaepernick (7) in the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La.

Quarterback Colin Kaepernick (7) in the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La.

Photo: Brant Ward, The Chronicle

Quarterback Colin Kaepernick (7) in the first half of Superbowl... Photo-4134939.56215 - seattlepi.com

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Running back Ray Rice (27) recovers a fumble by running back Ray Rice (27) during the second half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Running back Ray Rice (27) recovers a fumble by running back Ray Rice (27) during the second half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on ... more

wide receiver Anquan Boldin (81) jumps for a catch in the fourth quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

wide receiver Anquan Boldin (81) jumps for a catch in the fourth quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in ... more

Vernon Davis can't come up with a catch in the fourth quarter that would have moved the 49ers closer to a touchdown in the final minutes of the game. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013. less

Vernon Davis can't come up with a catch in the fourth quarter that would have moved the 49ers closer to a touchdown in the final minutes of the game. The Baltimore Ravens defeated the San Francisco 49ers in ... more

Photo: Brant Ward, The Chronicle

Vernon Davis can't come up with a catch in the fourth quarter... Photo-4134896.56215 - seattlepi.com

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Baltimore Ravens players wait through a delay caused by a power outage during the third quarter of Super Bowl XLVII against the San Francisco 49ers at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

Baltimore Ravens players wait through a delay caused by a power outage during the third quarter of Super Bowl XLVII against the San Francisco 49ers at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New ... more

On the second to last possession Colin Kaepernick was unable to connect with Michael Crabtree. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

On the second to last possession Colin Kaepernick was unable to connect with Michael Crabtree. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

Photo: Brant Ward, The Chronicle

On the second to last possession Colin Kaepernick was unable to... Photo-4134894.56215 - seattlepi.com

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The 49er bench late in the fourth quarteras the San Francisco 49ers fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, La. on Sunday Feb. 3, 2013.

The 49er bench late in the fourth quarteras the San Francisco 49ers fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, La. on Sunday Feb. 3, 2013.

Photo: Michael Macor, The Chronicle

The 49er bench late in the fourth quarteras the San Francisco 49ers... Photo-4134893.56215 - seattlepi.com

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Cornerback Perrish Cox reacts to a series of dropped passes on the next to last 49er possession in the fourth quarter. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013. less

Cornerback Perrish Cox reacts to a series of dropped passes on the next to last 49er possession in the fourth quarter. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday ... more

Photo: Brant Ward, The Chronicle

Cornerback Perrish Cox reacts to a series of dropped passes on the... Photo-4134892.56215 - seattlepi.com

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Michael Crabtree can't get to a ball thrown from Colin Kaepernick on fourth down on the 49ers last possesion trailing the Ravens 34-29. The San Francisco 49ers played the Baltimore Ravens in Super Bowl XLVII, on Sunday, February 3, 2013, in New Orleans, La. less

Michael Crabtree can't get to a ball thrown from Colin Kaepernick on fourth down on the 49ers last possesion trailing the Ravens 34-29. The San Francisco 49ers played the Baltimore Ravens in Super Bowl XLVII, ... more

Photo: Carlos Avila Gonzalez, The Chronicle

Michael Crabtree can't get to a ball thrown from Colin... Photo-4134880.56215 - seattlepi.com

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San Francisco 49ers cornerback Tarell Brown (25) recovers a fumble by Baltimore Ravens running back Ray Rice during the third quarter of Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

San Francisco 49ers cornerback Tarell Brown (25) recovers a fumble by Baltimore Ravens running back Ray Rice during the third quarter of Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, ... more

49ers Michael Crabtree into the end zone for a third quarter touchdown as the San Francisco 49ers went on to fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, La. on Sunday Feb. 3, 2013. less

49ers Michael Crabtree into the end zone for a third quarter touchdown as the San Francisco 49ers went on to fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, ... more

Photo: Michael Macor, The Chronicle

49ers Michael Crabtree into the end zone for a third quarter... Photo-4134877.56215 - seattlepi.com

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Baltimore Ravens Dannell Ellerbe, left, and Paul Kruger, celebrate as Colin Kaepernick gets up after failing to complete a pass to Michael Crabtree in the 49ers' last possession while they trailed 34-29. The San Francisco 49ers played the Baltimore Ravens in Super Bowl XLVII, on Sunday, February 3, 2013, in New Orleans, La. less

Baltimore Ravens Dannell Ellerbe, left, and Paul Kruger, celebrate as Colin Kaepernick gets up after failing to complete a pass to Michael Crabtree in the 49ers' last possession while they trailed 34-29. The ... more

49ers quarterback Colin Kaepernick walk back to the sidelines after his pass to teammate Michael Crabtree falls incomplete on their last play of the game for San Francisco, as the 49ers fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, La. on Sunday Feb. 3, 2013. less

49ers quarterback Colin Kaepernick walk back to the sidelines after his pass to teammate Michael Crabtree falls incomplete on their last play of the game for San Francisco, as the 49ers fall to the Baltimore ... more

sSan Francisco 49ers quarterback Colin Kaepernick scores on a 15-yard touchdown run during the fourth quarter of Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

sSan Francisco 49ers quarterback Colin Kaepernick scores on a 15-yard touchdown run during the fourth quarter of Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday, Feb. 3, ... more

Ray Lewis walked through the confetti at the end of the game. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

Ray Lewis walked through the confetti at the end of the game. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

Photo: Brant Ward, The Chronicle

Ray Lewis walked through the confetti at the end of the game. The... Photo-4134872.56215 - seattlepi.com

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San Francisco 49ers tight end Vernon Davis has a pass go off his fingers as Baltimore Ravens cornerback Corey Graham defends during the fourth quarter of Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

San Francisco 49ers tight end Vernon Davis has a pass go off his fingers as Baltimore Ravens cornerback Corey Graham defends during the fourth quarter of Super Bowl XLVII against the Baltimore Ravens at the ... more

Photo: Smiley N. Pool, Chronicle

San Francisco 49ers tight end Vernon Davis has a pass go off his... Photo-4134871.56215 - seattlepi.com

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49ers Colin kaepernick slow to get after being tackled in the third quarter, as the San Francisco 49ers went on to fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, La. on Sunday Feb. 3, 2013. less

49ers Colin kaepernick slow to get after being tackled in the third quarter, as the San Francisco 49ers went on to fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New ... more

Photo: Michael Macor, The Chronicle

49ers Colin kaepernick slow to get after being tackled in the third... Photo-4134868.56215 - seattlepi.com

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During the lights out stage of the game, with the 49ers down by two touchdowns, Mike Iupati (right), center Jonathan Goodwin and Anthony Davis (76) sat on the bench. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013. less

During the lights out stage of the game, with the 49ers down by two touchdowns, Mike Iupati (right), center Jonathan Goodwin and Anthony Davis (76) sat on the bench. The Baltimore Ravens defeated the San ... more

Photo: Brant Ward, The Chronicle

During the lights out stage of the game, with the 49ers down by two... Photo-4134869.56215 - seattlepi.com

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49ers quarterback Colin Kaepernick, under pressure from the Pernell McFee in the third quarter, as the San Francisco 49ers fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, La. on Sunday Feb. 3, 2013. less

49ers quarterback Colin Kaepernick, under pressure from the Pernell McFee in the third quarter, as the San Francisco 49ers fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in ... more

49ers Michael cRabtree can't hold onto to third quarter pass, as the San Francisco 49ers went on to fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, La. on Sunday Feb. 3, 2013. less

49ers Michael cRabtree can't hold onto to third quarter pass, as the San Francisco 49ers went on to fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, La. on ... more

Baltimore Ravens cornerback Jimmy Smith (22) breaks up a pass intended for San Francisco 49ers wide receiver Michael Crabtree (15) on a third down attempt during the 49ers final drive fourth quarter of Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

Baltimore Ravens cornerback Jimmy Smith (22) breaks up a pass intended for San Francisco 49ers wide receiver Michael Crabtree (15) on a third down attempt during the 49ers final drive fourth quarter of Super ... more

Baltimore Ravens cornerback Corey Graham (24) breaks up a pass intended for San Francisco 49ers wide receiver Michael Crabtree (15) on a second down attempt during the 49ers final drive fourth quarter of Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

Baltimore Ravens cornerback Corey Graham (24) breaks up a pass intended for San Francisco 49ers wide receiver Michael Crabtree (15) on a second down attempt during the 49ers final drive fourth quarter of Super ... more

Baltimore Ravens wide receiver Jacoby Jones (12) and defensive end Pernell McPhee (90) celebrates following the Ravens 34-31 victory over the San Francisco 49ers in Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

Baltimore Ravens wide receiver Jacoby Jones (12) and defensive end Pernell McPhee (90) celebrates following the Ravens 34-31 victory over the San Francisco 49ers in Super Bowl XLVII at the Mercedes-Benz ... more

Baltimore Ravens free safety Ed Reed celebrates with the Lombardi Trophy following the Ravens 34-31 victory over the San Francisco 49ers in Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

Baltimore Ravens free safety Ed Reed celebrates with the Lombardi Trophy following the Ravens 34-31 victory over the San Francisco 49ers in Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, ... more

Michael Crabtree walked off the field after he failed to catch a pass for the first down in the final minute of the game. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013. less

Michael Crabtree walked off the field after he failed to catch a pass for the first down in the final minute of the game. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday ... more

Photo: Brant Ward, The Chronicle

Michael Crabtree walked off the field after he failed to catch a... Photo-4134854.56215 - seattlepi.com

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Safety Dashon Goldson reacted after a touchdown by the Ravens in the second quarter. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

Safety Dashon Goldson reacted after a touchdown by the Ravens in the second quarter. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

49ers Michael Crabtree into the end zone for a third quarter touchdown as the San Francisco 49ers went on to fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, La. on Sunday Feb. 3, 2013. less

49ers Michael Crabtree into the end zone for a third quarter touchdown as the San Francisco 49ers went on to fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, ... more

Photo: Michael Macor, The Chronicle

49ers Michael Crabtree into the end zone for a third quarter... Photo-4134853.56215 - seattlepi.com

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Michael Oher, left, and Arthur Jones, right, celebrate as the Ravens took over on downs after the 49ers failed to score on fourth down. The San Francisco 49ers played the Baltimore Ravens in Super Bowl XLVII, on Sunday, February 3, 2013, in New Orleans, La. less

Michael Oher, left, and Arthur Jones, right, celebrate as the Ravens took over on downs after the 49ers failed to score on fourth down. The San Francisco 49ers played the Baltimore Ravens in Super Bowl XLVII, ... more

Brian and Amanda Evans of Salinas, Calif., watch as Ravens fans celebrate after the Ravens defeated the 49ers 34-31 in the Super Bowl. The San Francisco 49ers played the Baltimore Ravens in Super Bowl XLVII, on Sunday, February 3, 2013, in New Orleans, La. less

Brian and Amanda Evans of Salinas, Calif., watch as Ravens fans celebrate after the Ravens defeated the 49ers 34-31 in the Super Bowl. The San Francisco 49ers played the Baltimore Ravens in Super Bowl XLVII, ... more

49ers fans watch as the 49ers failed to score in their final possession. The San Francisco 49ers played the Baltimore Ravens in Super Bowl XLVII, on Sunday, February 3, 2013, in New Orleans, La.

49ers fans watch as the 49ers failed to score in their final possession. The San Francisco 49ers played the Baltimore Ravens in Super Bowl XLVII, on Sunday, February 3, 2013, in New Orleans, La.

Photo: Carlos Avila Gonzalez, The Chronicle

49ers fans watch as the 49ers failed to score in their final... Photo-4134842.56215 - seattlepi.com

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49ers fans look on as the 49ers fans are defeated by the Ravens 34-31. The San Francisco 49ers played the Baltimore Ravens in Super Bowl XLVII, on Sunday, February 3, 2013, in New Orleans, La.

49ers fans look on as the 49ers fans are defeated by the Ravens 34-31. The San Francisco 49ers played the Baltimore Ravens in Super Bowl XLVII, on Sunday, February 3, 2013, in New Orleans, La.

Photo: Carlos Avila Gonzalez, The Chronicle

49ers fans look on as the 49ers fans are defeated by the Ravens... Photo-4134839.56215 - seattlepi.com

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San Francisco 49ers fans celebrate a 15-yard touchdown run by quarterback Colin Kaepernick during the fourth quarter of Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

San Francisco 49ers fans celebrate a 15-yard touchdown run by quarterback Colin Kaepernick during the fourth quarter of Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday, ... more

Half of the stadium goes dark as the lights go out on the San Francisco 49ers and Baltimore Ravens during the third quarter of Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

Half of the stadium goes dark as the lights go out on the San Francisco 49ers and Baltimore Ravens during the third quarter of Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New ... more

Photo: Smiley N. Pool, Chronicle

Half of the stadium goes dark as the lights go out on the San... Photo-4134841.56215 - seattlepi.com

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The Baltimore Ravens celebrate after the 49ers failed to score on their last possession in the fourth quarter while trailing 34-29, and the Ravens took over on downs. The San Francisco 49ers played the Baltimore Ravens in Super Bowl XLVII, on Sunday, February 3, 2013, in New Orleans, La. less

The Baltimore Ravens celebrate after the 49ers failed to score on their last possession in the fourth quarter while trailing 34-29, and the Ravens took over on downs. The San Francisco 49ers played the ... more

Ravens Paul Kruger and Danell Ellerbe celebrate as the 49ers quarterback Colin Kaepernick watches his pass to teammate Michael Crabtree falls incomplete on their last play of the game for San Francisco, as the San Francisco 49ers fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, La. on Sunday Feb. 3, 2013. less

Ravens Paul Kruger and Danell Ellerbe celebrate as the 49ers quarterback Colin Kaepernick watches his pass to teammate Michael Crabtree falls incomplete on their last play of the game for San Francisco, as the ... more

Baltimore Ravens quarterback Joe Flacco celebrates with the Lombardi Trophy following the Ravens 34-31 victory over the San Francisco 49ers in Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

Baltimore Ravens quarterback Joe Flacco celebrates with the Lombardi Trophy following the Ravens 34-31 victory over the San Francisco 49ers in Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, ... more

Cornerback Chris Culliver (29) during the fourth quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La.

Cornerback Chris Culliver (29) during the fourth quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La.

San Francisco 49ers Running back Frank Gore (21) keapernicks while celebrating with Quarterback Colin Kaepernick (7) after running in a touchdown in the third quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

San Francisco 49ers Running back Frank Gore (21) keapernicks while celebrating with Quarterback Colin Kaepernick (7) after running in a touchdown in the third quarter of Superbowl XLVII between the San ... more

Quarterback Colin Kaepernick (7) in the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La.

Quarterback Colin Kaepernick (7) in the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La.

Photo: Brant Ward, The Chronicle

Quarterback Colin Kaepernick (7) in the first half of Superbowl... Photo-4135004.56215 - seattlepi.com

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running back Ray Rice (27) is tackled during the second half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

running back Ray Rice (27) is tackled during the second half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, ... more

Photo: Carlos Avila Gonzalez, The Chronicle

running back Ray Rice (27) is tackled during the second half of... Photo-4135006.56215 - seattlepi.com

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Half the lights go out in the third quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La.

Half the lights go out in the third quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La.

Photo: Carlos Avila Gonzalez, The Chronicle

Half the lights go out in the third quarter of Superbowl XLVII... Photo-4135003.56215 - seattlepi.com

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Cornerback Tarell Brown (25) forces a fumble on running back Ray Rice (27) during the second half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Cornerback Tarell Brown (25) forces a fumble on running back Ray Rice (27) during the second half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on ... more

Kicker David Akers (2) in the second half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La.

Kicker David Akers (2) in the second half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La.

Photo: Michael Macor, The Chronicle

Kicker David Akers (2) in the second half of Superbowl XLVII... Photo-4135000.56215 - seattlepi.com

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Ravens fans cheers as Tamara Solari (lft) and Robbie McGovern (Rt) look on after the Baltimore Ravens beat the San Francisco 49ers in Superbowl XLVII at the Mercedes-Benz Superdome on Sunday February 3, 2013, New Orleans, La. less

Ravens fans cheers as Tamara Solari (lft) and Robbie McGovern (Rt) look on after the Baltimore Ravens beat the San Francisco 49ers in Superbowl XLVII at the Mercedes-Benz Superdome on Sunday February 3, 2013, ... more

Juan Trujillo, of San Francisco, puts his head down during the final minutes of the game just before the Baltimore Ravens beat the San Francisco 49ers in Superbowl XLVII at the Mercedes-Benz Superdome on Sunday February 3, 2013, New Orleans, La. less

Juan Trujillo, of San Francisco, puts his head down during the final minutes of the game just before the Baltimore Ravens beat the San Francisco 49ers in Superbowl XLVII at the Mercedes-Benz Superdome on Sunday ... more

Photo: Mike Kepka, The Chronicle

Juan Trujillo, of San Francisco, puts his head down during the... Photo-4134990.56215 - seattlepi.com

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Quarterback Colin Kaepernick (7) and San Francisco 49ers Jim Harbaugh during the fourth quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Quarterback Colin Kaepernick (7) and San Francisco 49ers Jim Harbaugh during the fourth quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on ... more

Ray Lewis (left) and Ray Rice embraced at the end of the game. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

Ray Lewis (left) and Ray Rice embraced at the end of the game. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

Photo: Brant Ward, The Chronicle

Ray Lewis (left) and Ray Rice embraced at the end of the game. The... Photo-4134987.56215 - seattlepi.com

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Baltimore quarterback Joe Flacco broke away from two 49er defenders in the fourth quarter but couldn't complete the pass. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013. less

Baltimore quarterback Joe Flacco broke away from two 49er defenders in the fourth quarter but couldn't complete the pass. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday ... more

49ers Vernon Davis can't hold onto a deep pass in the fourth quarter, as the San Francisco 49ers went on to fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, La. on Sunday Feb. 3, 2013. less

49ers Vernon Davis can't hold onto a deep pass in the fourth quarter, as the San Francisco 49ers went on to fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, ... more

Colin Kaepernick leaves the field quickly after the last 49er play. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

Colin Kaepernick leaves the field quickly after the last 49er play. The Baltimore Ravens defeated the San Francisco 49ers in Super Bowl XLVVII 34-31 Sunday February 3, 2013.

Photo: Brant Ward, The Chronicle

Colin Kaepernick leaves the field quickly after the last 49er... Photo-4134984.56215 - seattlepi.com

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49er head coach Jim Harbaugh looks over his plays late in the fiurth quarter during a time out, as the San Francisco 49ers went on to fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz Superdome in New Orleans, La. on Sunday Feb. 3, 2013. less

49er head coach Jim Harbaugh looks over his plays late in the fiurth quarter during a time out, as the San Francisco 49ers went on to fall to the Baltimore Ravens 34-31 in Superbowl XLVII at the Mercedes-Benz ... more

Photo: Michael Macor, The Chronicle

49er head coach Jim Harbaugh looks over his plays late in the... Photo-4134982.56215 - seattlepi.com

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Baltimore Ravens wide receiver Anquan Boldin (81) catches the first touchdown pass of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens in the first quarter at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Baltimore Ravens wide receiver Anquan Boldin (81) catches the first touchdown pass of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens in the first quarter at the Mercedes-Benz Superdome ... more

San Francisco 49ers Tight end Delanie Walker (46) catches a pass out of bounds in the first quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

San Francisco 49ers Tight end Delanie Walker (46) catches a pass out of bounds in the first quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on ... more

San Francisco 49ers quarterback Colin Kaepernick (7) looks for a receiver during the first quarter Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

San Francisco 49ers quarterback Colin Kaepernick (7) looks for a receiver during the first quarter Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New ... more

Baltimore Ravens quarterback Joe Flacco (5) scrambles away from San Francisco 49ers defensive end Ray McDonald (91) during the first quarter of Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, 2013, in New Orleans. less

Baltimore Ravens quarterback Joe Flacco (5) scrambles away from San Francisco 49ers defensive end Ray McDonald (91) during the first quarter of Super Bowl XLVII at the Mercedes-Benz Superdome on Sunday, Feb. 3, ... more

Baltimore Ravens wide receiver Anquan Boldin (81) catches a touchdown over the head of Safety Donte Whitner (31) in the first quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Baltimore Ravens wide receiver Anquan Boldin (81) catches a touchdown over the head of Safety Donte Whitner (31) in the first quarter of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens ... more

San Francisco 49ers Quarterback Colin Kaepernick (7) runs for a small gain in the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

San Francisco 49ers Quarterback Colin Kaepernick (7) runs for a small gain in the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday ... more

San Francisco 49ers head coach Jim Harbaugh during the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

San Francisco 49ers head coach Jim Harbaugh during the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New ... more

Photo: Michael Macor, The Chronicle

San Francisco 49ers head coach Jim Harbaugh during the first half... Photo-4135073.56215 - seattlepi.com

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Baltimore Ravens wide receiver Jacoby Jones (12) catches a long pass through the attempted tackle of tight end Delanie Walker (46) in the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Baltimore Ravens wide receiver Jacoby Jones (12) catches a long pass through the attempted tackle of tight end Delanie Walker (46) in the first half of Superbowl XLVII between the San Francisco 49ers and the ... more

Linebacker Aldon Smith (99) sacks Baltimore Ravens quarterback Joe Flacco (5) during the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Linebacker Aldon Smith (99) sacks Baltimore Ravens quarterback Joe Flacco (5) during the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on ... more

Baltimore Ravens quarterback Joe Flacco (5) throughs through an attempted block in the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013 in New Orleans, La. less

Baltimore Ravens quarterback Joe Flacco (5) throughs through an attempted block in the first half of Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on ... more

Nanny Shelly Buller holds sleeping Hudson Smith, 20 months, son of Niners Alex Smith during first quarter at Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013, New Orleans, La. less

Nanny Shelly Buller holds sleeping Hudson Smith, 20 months, son of Niners Alex Smith during first quarter at Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz ... more

Dana DeVance, of Baltimore, cheers after a Ravens touchdown during Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013, New Orleans, La. less

Dana DeVance, of Baltimore, cheers after a Ravens touchdown during Superbowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on Sunday February 3, 2013, New ... more